let something slide

• 不管它

let something slide的用法和样例：

例句

1. She shouldn't have said that,but let it pass.
   她不应该说那种话，不过不要去管它。
2. Let's celebrate and damn the expense!
   管它花多少钱，咱们先庆祝一番再说！
3. Let the black flower blossom as it may!
   让那黑色之花随它去开吧！